| Giver | Post | Date |
| Shahalikhan | If points A, B, C, and D are points on the circumference of the circle | 25-Apr-2021 |
| Tonkotsu | If points A, B, C, and D are points on the circumference of the circle | 05-Jan-2021 |
| AlfredJohn | If points A, B, C, and D are points on the circumference of the circle | 28-Sep-2020 |
| kntombat | If points A, B, C, and D are points on the circumference of the circle | 26-Aug-2020 |
| ChairmanThe | If points A, B, C, and D are points on the circumference of the circle | 07-Apr-2020 |
| PavelMiasnikov | If points A, B, C, and D are points on the circumference of the circle | 05-Mar-2020 |
| kashishj930 | If points A, B, C, and D are points on the circumference of the circle | 22-Jan-2019 |
| vs224 | If points A, B, C, and D are points on the circumference of the circle | 24-Dec-2018 |
| Archit3110 | If points A, B, C, and D are points on the circumference of the circle | 13-Dec-2018 |
| sandave | If points A, B, C, and D are points on the circumference of the circle | 12-Dec-2018 |
